<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>添加班级</title>
</head>
<body>
<h1> 添加班级 </h1>
<form action="/add_class/" method="post">
    <input type="text" name="cname" placeholder="班级">
    <input type="submit" value="submit">
</form>
</body>
</html>